On Mon, Jan 25, 2016 at 09:35:36AM -0800, Andy Lutomirski wrote: > On Mon, Jan 25, 2016 at 9:25 AM, Matthew Wilcox > <matthew.r.wil...@intel.com> wrote: > > From: Matthew Wilcox <wi...@linux.intel.com> > > > > Other than the name, the vmf_ version takes a pfn_t parameter, and > > returns a VM_FAULT_ code suitable for returning from a fault handler. > > > > This patch also prevents vm_insert_pfn() from returning -EBUSY. > > This is a good thing as several callers handled it incorrectly (and > > none intentionally treat -EBUSY as a different case from 0). > > > > Signed-off-by: Matthew Wilcox <wi...@linux.intel.com> > > This would be even nicer if you added vmf_insert_pfn as well :)
I've sent out patches adding it before ... my most recent attempt on January 5th tied up with the DAX support for 1GB pages. I'll keep sending it until it sticks :-)